Means for raising concrete-molds.



2 SHBETSSHEET 1.

Patented Dec. 8, 1914.

F. R..M0QUBEN.

APPLICATION FILED FEB. 17. 1913.

MEANS FOR RAISING CONCRETE. MOLDS.

llYl/C/YTOR H0117) 1?, lfGUff/Y WM F. R. MCQUEEN. MEANS FOR RAISINGCONCRETE MOLDS.

APPLICATION FILED FEB.17, 191a.

Patented Dec. 8, 1914.

2 SHBETS-SHEET 2.

FM I

/EW/MMW'O 201621111 FINLAY R. MQQUEEI'T. 0F MIIINEAPOLIS MINNIEEQTA.

MEANS FUR RAISING CONCRETE-M91335.

Specific-mien of 14: 1am 17mm;

Applicatian filed February 17, 1913 Sana; N), 743,352.

T0 all 107mm i; may enown Be it known that I, Fxxmy R. AQCK'QZUEEN, acitizen of the United States, resident of Minneapolis, Hennepin county,ldiiiuiesota, have invented certain new and useful improvements in.Means for Raising COIRCY'EUZ- Molds, of whisk the follow"; g aspecificatinni My invention relates to maidwwfising means adaptedparticuiarly for use in buiiiling an upright concrete wall and theobject of the invention is to provi ie a, do 2)? raising the mold whichrim}; he zipphui f0 :1 minim-sing wd of the (Jenni-etc waii u itimszi;danger of buckiing or imndin ilzv 1'02; in the operation of lifting; themind.

A farther sbjest is to provide a mwieiiiiv ing means of sin 132 .9,ecmwmi ii conswiction and sane which can be easily ope: and mainfiined;

The invention cansisis generally in v=iri- 011s constructions andcnmbinaiions, all as hereinafter descrined and particuiarig; pointed mmin tha claims tics sectional view through :1 portion in. :1 inn-id,firming my i rowed :iiting nz ans apphed thereto, Fig. if is a \ez'timlsnzwiionni view on the iine of Fig. L 3 a detaii SRC'tiCZlfli View,shim-mg 1h? consumetiun oi the lifbi iimcimnism 4 is :1

In the dink-dug. L raw-wants tile moid far the ('(Qp'fIQIQ umii aduptz ita) ha mm'u'i Vi)?- ticaily as the cwirs mw sec tu min m the inc-iii forform ng c0nmet waii 01 any desired height.

3 2P} 73S8Y.ZS {L {$311M} minim sed 0n staid mold and prov led at thetap with cross bars 4 'ilel'ill the upper purtion of the lifting mechaniSin is supported,

appear. Suitable cmss bars 5 are provided near the middleof the frame2%. Breiween than? mm 4 and 5 I illlzingl iiprigglzi par s pourvci andi' cCOII'lPH I (and 0f aim sci-e TYNE-8Y3; 9f Emit.- in sarew The b arepreterm sar by suitable a "Ride? rods 1 extend pref r tion with iwpec tn; fhmugh a and '10 other a dumping jaws married. 111w Upon the crassbars he rmivsd up inia, I red; a.

i or the purp' the reinforcing and mm Um moist frame 1' prm'idfi:statinzmry w in 0d. preferably i iiveen the Iigifi b?! having a: cur ei tumahmi 1?: 1;?!- c-he surface of 1112+: m5 T 4" 0f the rod av m: 1 2rimmed and 3') It bear 011 he 1'5 X 10.0% (hum; Sfiflallfii againsit Tm,em Q; p1 :fembly piifiii'ik'fd YCif convenience in operating geigm'nent0f the ith LN: 9 3d. Wiii have a crushing Li mm: Eifihri than me whichwould bend its band? a? mwkie wig rod, and at the time the jaw bioaflbearing fangs on the z'cinfarcl Wii grip it fililiiy and, ausmin any w Awhich the: moic i frmiw, *rpose t'hez'wn.

in the. 0 wmtinn of t me we the nut m5 is IRCOIVQAJ :mfi the Jaw W221Miami until time screw it; inch on ma md Z csntinued maviimen of the mat33 vi! the moid frame until the dusiiwzd a2 ment has been obmined Themni i 1'1 than be fi iiqd wikh. a plastic m' All? y upnn reversing themm'eamem the ism aged from moved 31B dis 5w erwo the may;

mi or bin-f1 at i iitseiiie i for umran is c ipa .itm y loud, not bendor 133.5 the upadjusted 'v APO in. iLiE/J d; m fil gfl' fjt, the mini.-aim oi rod, frame and .4 :i ()Mk u) J4 SJULQA r J mag in n t 2:110. nand of said rod, and a rotatable nut mmmted'on said frameand engagingthe threads of said 9.1 31 {the IBVOiUUQD of said nut in one di- .nlocking said jaws on said rod to Kift said frame and its revolution inthe other (13.- .ra-ction releasing Quid jaws to lift them uni said 3.The combination, with a moid frame, of a reinforcing rod, a, jaw framehaving guides in snid mold frame, whereby said. jaw frame is permittedto move vertically, but is held against rotary movemnt, a stw tionaryjaw mounted in said jaw frame and having a broad bearing face to engagesaid movable jaw eccentricaliy pivoted in aid Euw frame and having itface to engage said rod and damp it againstsaid stationary with a,crushing :stress and. means; exerting a downward pressure on said irw:frame to sot said jaws on said rod and J; said mold frame, or an upwardpull to release said jaws from said rod and lift tbam. and their frameon said rod.

i The cmnbination, with a frame, of a, roinfprcing rod, :1 ho'llowmember mounted slide. on said rod, means holding said mber againstrotary movement, means In; said hollow member and hziving a earing onsaid frame, javs carried Iii member upon opposite sides of said me ofsaid jaws being stationary and 21 face to fit the surface said rod, jawbeing eccontricallv mounted and or m rotating movement mr clampietiwgenit; face and the face of rahoreof, T have hereunto et .as 12th dav o;Februarv, 1/113.

nnzLi'n' n. MC UEEN.

